We must do exercise to keep our body and mind fit. As a student one has to acquire lots of new knowledge on variety of subjects daily. This needs physical and mental soundness. Only a healthy body contains healthy mind. We can join gym, do yoga, walking, jogging or swimming. By doing exercise our heart beat increases and body temperature goes up. This cleanses the body and relaxes the mind. It also reduces our stress. Exercise increases our efficiency in all works and reduces our chances of falling ill. It improves our immunity. It also improves many mental capabilities like concentration, penetration, memorizing and recalling. So, exercise is the must for students.